Steroid hormones are lipid soluble and diffuse through the plasma membrane into a cell
Indicate whether the statement is true or false
TRUE
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Somatic cells of roundworms have four individual chromosomes per cell. How many chromosomes would you expect to find in an ovum from a roundworm?
A) four B) two C) eight D) a diploid number
Upon finding a carcass, a raven will only call and attract other ravens to the food source if the ____
a. nearby ravens are relatives b. food source is large and plentiful c. food is found in a resident pair's territory d. food is found in his own territory e. food is being consumed by an animal of another species
The first step in the prevention of blood loss from an injured vessel is ____
a. platelet plug formation b. increased blood flow c. coagulation d. clot retraction e. vessel spasm
The fleshy extension of the soft palate is known as the
A. pharynx. B. adenoid. C. uvula. D. epiglottis. E. cecum.